A vertical curve to be designed to join a $(-6)\%$ grade and $(+6)\%$ grade $,$ if the design speed $(120k\frac{m}{h}).$

Determine the minimum Length of this curve that will satisfy all criterion.

$430m$

$520m$

$399\mathrm{.}6m$

$270m$

No Answer is Correct

$(141+06)-(93+18)$

$47+18$

$47+12$

$46+18$

$46+12$

Nothing of all mentioned above

The K value $()$ for sag vertical curve for a speed $(50k\frac{m}{h})$

$12\mathrm{.}9$

$6\mathrm{.}30$

The K value $()$ for sag vertical curve for a speed $(42k\frac{m}{h})$

Nothing of all mentioned above

$12\mathrm{.}0$

$7\mathrm{.}2$